16 Sgr

HIP 89440; 16 Sgr Star Sagittarius (Sgr) Visible Level 2 Small telescope (4")

Star Map Add to List Add to Plan Back to Catalog

Physical Properties

Magnitude 5.95

Spectral Type O9.5II

Star Color White (B-V 0.02)

Position & Identifiers

RA 18h 15m 12.9s

Dec -20° 23' 17.0"

Constellation Sagittarius (Sgr)

HR 6823

HIP 89440

Flamsteed 16 Sgr

Double Cat 11191

Visibility

Set a location in User Settings to see visibility data.

Size Comparison

Querying VizieR for stellar data…

Compare Stars

Compare with another star

Stellar Lifecycle

Spectral Classification

Hertzsprung-Russell Diagram

Loading HR diagram…

Blackbody Spectrum

Stellar Absorption Spectrum

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

Stellar Fusion

Stellar Notes

Double Star

Companion A3V.

Group/Cluster

Sgr OB7; exciting star of HII region S35; NGC 6526.

Spectral

SiII suspected of variability. Also classified O9II, O9III and O9.5II-III((n)).

Survey Image

Loading survey image…